﻿using System;
/*
 * Declare  two integer variables and assign them with 5 and 10 and after that exchange their values.
 */
class IntegerValuesExchange
{
    static void Main(string[] args)
    {
        int a = 5;
        int b = 10;
        Console.WriteLine("a = {0}, b = {1}", a, b);
        a = a + b;
        b = a - b;
        a = a - b;
        Console.WriteLine("a = {0}, b = {1}", a, b);
    }
}
